Home / 4,051.79-6,078.81-1,587.33

Finding the Fourth Proportional to 4,051.79, 6,078.81 and 1,587.33

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Solution

The fourth proportional to 4,051.79, 6,078.81 and 1,587.33 is: 2,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,051.79 : 6,078.81 = 1,587.33 : x
  2. Step 2: Convert to fraction form
    4,051.79/6,078.81 = 1,587.33/x
  3. Step 3: Cross multiply
    4,051.79x = 6,078.81 × 1,587.33
  4. Step 4: Simplify right side
    4,051.79x = 9,649,083.43
  5. Step 5: Solve for x
    x = 9,649,083.43/4,051.79
  6. Step 6: Final answer
    x = 2,381.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.